diff --git a/cl/internal/convert/convert.go b/cl/internal/convert/convert.go
index 4e5a1930f..e8e2e043e 100644
--- a/cl/internal/convert/convert.go
+++ b/cl/internal/convert/convert.go
@@ -108,7 +108,16 @@ func (p *Converter) Process() error {
 			}
 			return fmt.Errorf("ConvMacro: %w", err)
 		}
-		ctx.setGoFile(goFile)
+
+		ctx.setGoFile(goFile.FileName, func() {
+			// todo(zzy):write build condition to file
+			// var os, arch string
+			// if goFile.Condition != nil {
+			// 	os = goFile.Condition.OS
+			// 	arch = goFile.Condition.Arch
+			// }
+		})
+
 		err = ctx.NewMacro(goName, macro)
 		if err != nil {
 			return err
@@ -124,7 +133,9 @@ func (p *Converter) Process() error {
 			}
 			return fmt.Errorf("ConvDecl: %w", err)
 		}
-		ctx.setGoFile(goFile)
+		ctx.setGoFile(goFile.FileName, func() {
+			// todo(zzy):write build condition to file
+		})
 		switch decl := decl.(type) {
 		case *ast.TypeDecl:
 			err = ctx.NewTypeDecl(goName, decl, pnc)
diff --git a/cl/internal/convert/package.go b/cl/internal/convert/package.go
index a2b65811a..cb166ca40 100644
--- a/cl/internal/convert/package.go
+++ b/cl/internal/convert/package.go
@@ -126,8 +126,10 @@ func (p *Package) LookupFunc(goName string, fn *ast.FuncDecl) (*GoFuncSpec, erro
 	return NewGoFuncSpec(goName), nil
 }
 
+// If not have goFile in current package,it will create a new file,and the init function will be execute
 // to keep the unsafe package load to use go:linkname command
-func (p *Package) setGoFile(goFile string) {
+func (p *Package) setGoFile(goFile string, init func()) {
+	// todo(zzy):support write build condition to file
 	p.p.SetCurFile(goFile, true)
 	// todo(zzy):avoid remark
 	p.p.Unsafe().MarkForceUsed(p.p)
diff --git a/cl/nc/ncimpl/ncimpl.go b/cl/nc/ncimpl/ncimpl.go
index 83a2512c1..14384e509 100644
--- a/cl/nc/ncimpl/ncimpl.go
+++ b/cl/nc/ncimpl/ncimpl.go
@@ -44,7 +44,7 @@ type Converter struct {
 	KeepUnderScore bool
 }
 
-func (p *Converter) convFile(file string, obj *ast.Object) (goFile string, ok bool) {
+func (p *Converter) convFile(file string, obj *ast.Object) (goFile *nc.GoFile, ok bool) {
 	info, exist := p.FileMap[file]
 	if !exist {
 		var availableFiles []string
@@ -58,10 +58,13 @@ func (p *Converter) convFile(file string, obj *ast.Object) (goFile string, ok bo
 	if obj != nil && obj.Name != nil && hf.FileType == llconfig.Third {
 		p.locMap.Add(obj.Name, obj.Loc)
 	}
-	return hf.ToGoFileName(p.PkgName), hf.InCurPkg()
+	return &nc.GoFile{
+		FileName: hf.ToGoFileName(p.PkgName),
+		// todo(zzy):support condition
+	}, hf.InCurPkg()
 }
 
-func (p *Converter) ConvDecl(file string, decl ast.Decl) (goName, goFile string, err error) {
+func (p *Converter) ConvDecl(file string, decl ast.Decl) (goName string, goFile *nc.GoFile, err error) {
 	obj := ast.ObjectOf(decl)
 	goFile, ok := p.convFile(file, obj)
 	if !ok {
@@ -88,7 +91,7 @@ func (p *Converter) ConvDecl(file string, decl ast.Decl) (goName, goFile string,
 	return
 }
 
-func (p *Converter) ConvMacro(file string, macro *ast.Macro) (goName, goFile string, err error) {
+func (p *Converter) ConvMacro(file string, macro *ast.Macro) (goName string, goFile *nc.GoFile, err error) {
 	goFile, ok := p.convFile(file, nil)
 	if !ok {
 		err = nc.ErrSkip
diff --git a/cl/nc/ncimpl/ncimpl_test.go b/cl/nc/ncimpl/ncimpl_test.go
index 7cd283304..ec89a1870 100644
--- a/cl/nc/ncimpl/ncimpl_test.go
+++ b/cl/nc/ncimpl/ncimpl_test.go
@@ -169,8 +169,8 @@ func TestConverterConvFile(t *testing.T) {
 		t.Run(tc.name, func(t *testing.T) {
 			goFile, ok := converter.convFile(tc.file, nil)
 
-			if goFile != tc.expected {
-				t.Errorf("Expected file %s, got %s", tc.expected, goFile)
+			if goFile.FileName != tc.expected {
+				t.Errorf("Expected file %s, got %s", tc.expected, goFile.FileName)
 			}
 
 			if ok != tc.ok {
@@ -226,7 +226,7 @@ func TestConv(t *testing.T) {
 		trimPrefixes []string
 		expectFile   string
 		expectName   string
-		exec         func(conv *Converter, convNode ast.Node) (string, string, error)
+		exec         func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error)
 		expectErr    error
 	}{
 		{
@@ -235,7 +235,7 @@ func TestConv(t *testing.T) {
 				Name: "MACRO_NAME",
 				Loc:  &ast.Location{File: interFile},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvMacro(interFile, convNode.(*ast.Macro))
 			},
 			expectFile: "inter.go",
@@ -248,7 +248,7 @@ func TestConv(t *testing.T) {
 				Name: "MACRO_NAME",
 				Loc:  &ast.Location{File: interFile},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvMacro(interFile, convNode.(*ast.Macro))
 			},
 			trimPrefixes: []string{"MACRO_"},
@@ -263,7 +263,7 @@ func TestConv(t *testing.T) {
 				Loc:  &ast.Location{File: interFile},
 			},
 			pubs: map[string]string{"MACRO_CONST": "CustomMacro"},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvMacro(interFile, convNode.(*ast.Macro))
 			},
 			expectFile: "inter.go",
@@ -276,7 +276,7 @@ func TestConv(t *testing.T) {
 				Name: "MACRO_NAME",
 				Loc:  &ast.Location{File: thirdFile},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvMacro(thirdFile, convNode.(*ast.Macro))
 			},
 			expectFile: "testpkg_autogen.go",
@@ -292,7 +292,7 @@ func TestConv(t *testing.T) {
 				MangledName: "validFunc",
 			},
 			convSym: mockSymConv,
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(interFile, convNode.(*ast.FuncDecl))
 			},
 			expectFile: "inter.go",
@@ -307,7 +307,7 @@ func TestConv(t *testing.T) {
 					Loc:  &ast.Location{File: thirdFile},
 				},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(thirdFile, convNode.(*ast.FuncDecl))
 			},
 			expectFile: "testpkg_autogen.go",
@@ -322,7 +322,7 @@ func TestConv(t *testing.T) {
 				},
 				MangledName: "noSymbolFunc",
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(interFile, convNode.(*ast.FuncDecl))
 			},
 			convSym:    mockSymConv,
@@ -337,7 +337,7 @@ func TestConv(t *testing.T) {
 					Loc:  &ast.Location{File: interFile},
 				},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(interFile, convNode.(*ast.EnumTypeDecl))
 			},
 			expectFile: "inter.go",
@@ -352,7 +352,7 @@ func TestConv(t *testing.T) {
 					Loc:  &ast.Location{File: interFile},
 				},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(interFile, convNode.(*ast.EnumTypeDecl))
 			},
 			expectFile: "inter.go",
@@ -366,7 +366,7 @@ func TestConv(t *testing.T) {
 					Loc:  &ast.Location{File: interFile},
 				},
 			},
-			exec: func(conv *Converter, convNode ast.Node) (string, string, error) {
+			exec: func(conv *Converter, convNode ast.Node) (string, *nc.GoFile, error) {
 				return conv.ConvDecl(interFile, convNode.(*ast.TypeDecl))
 			},
 			expectFile: "inter.go",
@@ -388,8 +388,8 @@ func TestConv(t *testing.T) {
 			if goName != tc.expectName {
 				t.Errorf("Expected %s, got %s", tc.expectName, goName)
 			}
-			if goFile != tc.expectFile {
-				t.Errorf("Expected %s, got %s", tc.expectFile, goFile)
+			if goFile.FileName != tc.expectFile {
+				t.Errorf("Expected %s, got %s", tc.expectFile, goFile.FileName)
 			}
 			if err != tc.expectErr {
 				t.Errorf("Expected %v, got %v", tc.expectErr, err)
diff --git a/cl/nc/nodeconv.go b/cl/nc/nodeconv.go
index 3b308df27..41419b645 100644
--- a/cl/nc/nodeconv.go
+++ b/cl/nc/nodeconv.go
@@ -11,9 +11,19 @@ var (
 	ErrSkip = errors.New("skip this node")
 )
 
+type Condition struct {
+	OS   string // OS,like darwin,linux,windows
+	Arch string // Architecture,like amd64,arm64
+}
+
+type GoFile struct {
+	FileName  string     // Go file name,like cJSON.go ini_darwin_amd64.go
+	Condition *Condition // Condition for the given file,if no condition,it is nil
+}
+
 type NodeConverter interface {
-	ConvDecl(file string, decl ast.Decl) (goName, goFile string, err error)
-	ConvMacro(file string, macro *ast.Macro) (goName, goFile string, err error)
+	ConvDecl(file string, decl ast.Decl) (goName string, goFile *GoFile, err error)
+	ConvMacro(file string, macro *ast.Macro) (goName string, goFile *GoFile, err error)
 	ConvEnumItem(decl *ast.EnumTypeDecl, item *ast.EnumItem) (goName string, err error)
 	ConvTagExpr(cname string) string
 	Lookup(name string) (locFile string, ok bool)